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3D or 2.5D composite materials joined by needling

Grades A252 and AM 252

Continuous fibre carbon tissues are joined together using a needling technique. A pyrocarbon infiltration process enhances the material strength. This process yields composite structures which are then used to produce cylindrical or plane electric heaters.

The AM252 variant uses a multiaxial continuous fibre tissue. It is used to improve the mechanical strength of the composite in the manufacture of high temperature threaded fasteners or structural components in ovens.

Grade A412

A mat is produced by a mechanical joining process using a carbon felt and short carbon fibres. It is then infiltrated with pyrocarbon. The resulting material is very strong, with low porosity. It can be precision machined owing to a very fine structure. Ideal for high precision, high temperature threaded fasteners.

Grade A035

This grade consists of long fibres distributed randomly in all directions, then densified with a pyrocarbon matrix. It offers almost isotropic thermal properties. It is a material of choice for nuclear fusion type applications.

Grade A412N

A composite specially designed to reinforce thermal conductivity. This material is ideal for heat dissipation at a high temperature, especially innuclear fusion applications.

2D composite materials joined with a resin

Grade A220

Continuous carbon fibre fabrics are joined by adding a resin. Once bonded with this carbonised resin, the structure is reinforced by pyrocarbon infiltration. This process can be used to producemore complex shapes such as cylinders, U or L shapes…